Since I hadn’t read it, it’s likely that a lot of you haven’t either. It’s interesting to see what was planned that didn’t happen. And it’s interesting because it’s incredibly fucking interesting. It’s one of the best videogame documents I’ve ever seen in my life. It’s smart, driven, obsessed and actually really funny. For example, it has diagrams that look like this.

Clearly, you should read the whole thing. If you haven’t played the game, don’t go past page 25. It’s relatively spoiler free until then, before immediately revealing the biggest secrets in the game. And I’ll quote some random non-spoiler examples beneath the cut.